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On the use of entangled wire materials in pre-tensioned rocking columns

On the use of entangled wire materials in pre-tensioned rocking columns
On the use of entangled wire materials in pre-tensioned rocking columns

This research explores potential application of entangled wire materials as intermediate layers between segments of pre-tensioned segmental bridge columns. An ensemble of free-decay vibration tests was conducted on small-scale columns with various configurations of intermediate layers. Wooden blocks were used for segments and the entire system was tightened together using a pre-tensioned steel tendon. Damping and frequency of the columns were determined and compared. It is demonstrated that entangled wire materials substantially increase total damping of the entire system in rocking. This result is very encouraging for future application of entangled wire materials in testing large-scale pre-tensioned segmental bridge columns. However, shear and axial stiffness of the layers require further improvement to reduce their large shear and axial deformations.

1742-6588
Ahmadi, E.
f1994ae0-2b3e-43c9-a595-032e801aae70
Kashani, M. M.
d1074b3a-5853-4eb5-a4ef-7d741b1c025d
Ahmadi, E.
f1994ae0-2b3e-43c9-a595-032e801aae70
Kashani, M. M.
d1074b3a-5853-4eb5-a4ef-7d741b1c025d

Ahmadi, E. and Kashani, M. M. (2019) On the use of entangled wire materials in pre-tensioned rocking columns. Journal of Physics: Conference Series, 1264 (1), [012007]. (doi:10.1088/1742-6596/1264/1/012007).

Record type: Article

Abstract

This research explores potential application of entangled wire materials as intermediate layers between segments of pre-tensioned segmental bridge columns. An ensemble of free-decay vibration tests was conducted on small-scale columns with various configurations of intermediate layers. Wooden blocks were used for segments and the entire system was tightened together using a pre-tensioned steel tendon. Damping and frequency of the columns were determined and compared. It is demonstrated that entangled wire materials substantially increase total damping of the entire system in rocking. This result is very encouraging for future application of entangled wire materials in testing large-scale pre-tensioned segmental bridge columns. However, shear and axial stiffness of the layers require further improvement to reduce their large shear and axial deformations.

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Published date: 24 July 2019
Venue - Dates: 13th International Conference on Recent Advances in Structural Dynamics, RASD 2019, Valpré, Lyon, France, 2019-04-15 - 2019-04-17

Identifiers

Local EPrints ID: 435359
URI: http://eprints.soton.ac.uk/id/eprint/435359
ISSN: 1742-6588
PURE UUID: ae8322ad-b012-4cb6-844e-8ba465419a08
ORCID for M. M. Kashani: ORCID iD orcid.org/0000-0003-0008-0007

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Date deposited: 31 Oct 2019 17:30
Last modified: 06 Jun 2024 01:59

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